WO2019059737A1 - Module de prise de vue comprenant plusieurs unités d'entraînement ayant différentes directions de champ magnétique - Google Patents

Module de prise de vue comprenant plusieurs unités d'entraînement ayant différentes directions de champ magnétique Download PDF

Info

Publication number
WO2019059737A1
WO2019059737A1 PCT/KR2018/011331 KR2018011331W WO2019059737A1 WO 2019059737 A1 WO2019059737 A1 WO 2019059737A1 KR 2018011331 W KR2018011331 W KR 2018011331W WO 2019059737 A1 WO2019059737 A1 WO 2019059737A1
Authority
WO
WIPO (PCT)
Prior art keywords
lens
camera module
driving unit
magnetic field
housing
Prior art date
Application number
PCT/KR2018/011331
Other languages
English (en)
Inventor
Kwang Seok Byon
Young Jae Hwang
Original Assignee
Samsung Electronics Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Samsung Electronics Co., Ltd. filed Critical Samsung Electronics Co., Ltd.
Priority to EP18858594.7A priority Critical patent/EP3665530B1/fr
Priority to CN201880062167.7A priority patent/CN111133376B/zh
Publication of WO2019059737A1 publication Critical patent/WO2019059737A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/51—Housings
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
    • G03B3/02—Focusing arrangements of general interest for cameras, projectors or printers moving lens along baseboard
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
    • G02B7/102—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens controlled by a microcomputer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/0055—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element
    • G02B13/0065—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element having a beam-folding prism or mirror
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/009—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras having zoom function
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
    • G02B27/646—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image compensating for small deviations, e.g. due to vibration or shake
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/32—Means for focusing
    • G03B13/34—Power focusing
    • G03B13/36—Autofocus systems
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
    • G03B3/10—Power-operated focusing
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
    • G03B5/02—Lateral adjustment of lens
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
    • G03B5/04—Vertical adjustment of lens; Rising fronts
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B2205/00—Adjustment of optical system relative to image or object surface other than for focusing
    • G03B2205/0007—Movement of one or more optical elements for control of motion blur
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B2205/00—Adjustment of optical system relative to image or object surface other than for focusing
    • G03B2205/0053—Driving means for the movement of one or more optical element
    • G03B2205/0069—Driving means for the movement of one or more optical element using electromagnetic actuators, e.g. voice coils
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2101/00—Still video cameras

Definitions

  • the present disclosure relates to a camera module including a plurality of driving units.
  • IT information technology
  • various types of electronic devices such as a smart phone, a tablet personal computer (PC), and the like a widely used.
  • a modern electronic device may include a camera module.
  • the camera module may be miniaturized for inclusion in the electronic device and may implement various functions.
  • the camera module may include a zoom function for capturing a subject at various magnifications.
  • the camera module may further include an auto focus (AF) function.
  • AF auto focus
  • a plurality of driving units capable of changing the positions of a plurality of lenses included in the camera module are utilized.
  • a voice coil motor VCM
  • VCM voice coil motor
  • the camera module includes a plurality of driving units
  • two or more driving units may be arranged adjacent to each other on one surface of the camera module.
  • the interval between two or more driving units arranged on the one surface may be more narrowed.
  • each driving unit may be influenced by the magnetic fields formed in adjacent driving units.
  • the accuracy of position movement of the lens by the driving unit may be reduced, and the camera module may not perform its diverse functions normally.
  • a shielding member to prevent the influence of the magnetic field generated by an adjacent driving unit enlarges the size of a camera module. Accordingly, the inclusion of a shield is not suitable when the goal is for the electronic device to be increasingly miniaturized.
  • an aspect of the present disclosure is to provide a camera module that can solve the above-mentioned problems.
  • a camera module includes a housing, a lens unit arranged in the housing and including at least one lens, a first driving unit arranged adjacent to a first surface inside the housing, and configured to move the at least one lens in a direction of an optical axis, and a second driving unit arranged adjacent to the first surface inside the housing to move the lens unit in a direction perpendicular to the optical axis, where the first driving unit forms a first magnetic field oriented in a first direction, and wherein the second driving unit forms a second magnetic field oriented in a second direction intersecting the first direction at a specified angle.
  • a camera module includes a housing, a lens unit disposed within the housing and including first and second lenses movable along a specified path, a first driving unit including a first coil arranged on a part of one surface of the housing, the first coil formed in a shape to output, in a first orientation, a first magnetic field for moving the first lens along the specified path, and a second driving unit including a second coil arranged on another part of the one surface, the second coil formed in a shape to output, in a second orientation perpendicular to the first orientation, a second magnetic field for moving the second lens along the specified path.
  • the positional movement of the lens included in the camera module can be stably performed.
  • the camera module may stably perform the zoom function, the auto-focus or "AF" function, and the optical image stabilizer "OIS" function.
  • the size of the camera module may be miniaturized and the electronic device including the camera module may efficiently utilize the limited mounting area.
  • various effects that are directly or indirectly understood through the present disclosure may be provided.
  • FIG. 1 is a view illustrating a camera module and an electronic device including the camera module according to an embodiment
  • FIG. 2a is a perspective view of a camera module according to an embodiment when viewed in one direction;
  • FIG. 2b is a perspective view of a camera module according to an embodiment when viewed in another direction;
  • FIG. 2c is an exploded perspective view of a camera module according to an embodiment
  • FIG. 3a is a plane view of a camera module according to an embodiment
  • FIG. 3b is a rear view of a camera module according to an embodiment
  • FIG. 4 is a view illustrating an arrangement of a driving unit of a camera module according to an embodiment
  • FIG. 5 is a block diagram of an electronic device in a network environment according to various embodiments.
  • FIG. 6 is a block diagram of a camera module according to various embodiments.
  • FIG. 1 is a view illustrating a camera module and an electronic device including the camera module according to an embodiment.
  • a rear cover 110, a flash 120, and/or a camera module 200 may be arranged on a rear surface of an electronic device 100.
  • a part of the above-described configuration may be omitted or a component that is not shown in FIG. 1 may be added.
  • a fingerprint sensor may be arranged on the rear surface of the electronic device.
  • a camera separated from the camera module 200 may be additionally arranged on the rear surface of the electronic device.
  • the rear cover 110 may be coupled to the rear surface of the electronic device 100.
  • the rear cover 110 may be formed of tempered glass, a plastic injection molding material, metal, or the like.
  • the rear cover 110 may include at least one opening through which the fingerprint sensor, the flash 120, and/or the camera module 200 may be exposed.
  • the flash 120 may assist the photographing of the camera module 200 by emitting light. According to an embodiment, the flash 120 may emit automatically or by user manipulation when the illuminance outside the electronic device 100 is below a specified reference. According to various embodiments, the flash 120 may be a part of the camera module 200.
  • the camera module 200 may be an optical device capable of photographing an image or moving image of a subject. According to an embodiment, a part of the camera module 200 may be exposed to an outside through the at least one opening included in the rear cover 110. When the camera module 200 included in the electronic device 100 is disassembled and enlarged, the camera module 200 may be the same as or similar to a camera module 200-1.
  • the camera module 200 may be arranged on a front surface of the electronic device 100.
  • a separated camera module may be additionally arranged on a rear surface of the electronic device 100.
  • the electronic device 100 may photograph different portions and combine the photographed images into one image.
  • the camera module 200 may include various functions.
  • the camera module 200 may include an auto focus (AF) function.
  • the auto focus function may mean a function of automatically focusing on a subject by adjusting a position of at least one lens of the camera module 200.
  • the camera module 200 may include an optical image stabilization (OIS) function.
  • the OIS function may mean a function of correcting the movement of an image due to an operation of a user.
  • the camera module 200 may include a zoom in or out function. The camera module 200 may adjust the size of an image by adjusting the position of at least one lens.
  • the camera module 200 that may be included in the electronic device 100 will be described.
  • FIG. 2a is a perspective view of a camera module according to an embodiment when viewed in one direction.
  • FIG. 2b is a perspective view of a camera module according to an embodiment when viewed in another direction.
  • FIG. 2c is an exploded perspective view of a camera module according to an embodiment.
  • the camera module 200 may include a housing 210, a reflection member 220, a lens unit 230, first to fifth driving units 240, 250, 260, 270 and 280, an image sensor 290, and a connector 291.
  • some of the components described above may be omitted from the camera module 200 or the camera module 200 may further include additional components.
  • the third and/or fourth driving units 260 and/or 270 of the camera module 200 may be omitted depending on the number of lenses included in the lens unit 230.
  • the camera module 200 may further include a cover that at least partially surrounds or encloses the housing 210.
  • the housing 210 may enclose the components of the camera module 200 and protect the components from external shocks and impact.
  • the housing 210 may be formed of tempered glass, a plastic injection material, and/or a non-magnetic member.
  • the housing 210 may include a plurality of surfaces.
  • the housing 210 may be formed as a hexahedron.
  • the housing 210 may be a hexahedron, in which at least a portion of one or more of its surfaces is inclined as shown in FIG. 2.
  • an opening may be formed on one side of the housing 210.
  • the camera module 200 may receive light reflected off or generated by an external subject through the opening.
  • the connector 291 may be attached to one side of the housing 210.
  • the camera module 200 may be electrically connected to a processor of the electronic device 100 through the connector 291.
  • the reflection member 220 may reflect or refract the light received from the external subject in a direction (Y axis) of the lens unit 230.
  • Y axis the direction of light passing through the reflection member 220 and directed to the lens unit 230.
  • optical axis direction the direction of light passing through the reflection member 220 and directed to the lens unit 230.
  • the reflection member 220 may be rotated in the Y-Z plane about the X-axis direction by at least one driving unit 280.
  • the direction of the light passing through the reflection member 220 may be changed according to the rotated angle.
  • the camera module 200 may correct the image by rotating the reflection member 220 in a direction opposite to the hand tremble of the user with respect to the Z-axis direction.
  • the lens unit 230 may be arranged in the housing 210 and may include a lens holder 231, first to third lenses 232 to 234, and a shaft 235. According to various embodiments, one or more of the components described above may be omitted from the lens unit 230 or the lens unit 230 may include further, additional components. For example, at least one of the first to third lens 232 to 234 may be omitted.
  • the lens holder 231 may contain at least one lens 232 to 234 included in the lens unit 230. According to an embodiment, the lens holder 231 may be coupled with the at least one lens 232 to 234 through the shaft 235.
  • the lens holder 231 may be moved in the X-axis direction by at least one driving unit 270.
  • the X-axis direction may be understood as a direction perpendicular to the optical axis direction.
  • the at least one lens 232 to 234 contained in the lens holder 231 may be moved in a same direction together with the lens holder 231.
  • the camera module 200 may correct the image by moving the lens holder 231 in the direction or manner opposing hand trembling of the user, with respect to the X-axis direction.
  • the first to third lenses 232 to 234 may adjust a path of the light introduced in the optical axis direction, such that the light converges to one focal point or diverges from one focal point.
  • the camera module 200 may change the size or focus of an image by adjusting the intervals between the first to third lenses 232 to 234.
  • each of the first to third lenses 232 to 234 may be implemented by one group of lenses in which a plurality of single lenses are combined with each other.
  • the first lens 232 may include one group of lenses in which three single lenses are combined with each other.
  • the first lens 232 may be referred to as a first group of lenses
  • the second lens 233 may be referred to as a second group of lenses
  • the third lens 234 may be referred to as a third group of lenses.
  • the first to third lenses 232 to 234 may be moved along a specified path by the first to third driving units 240, 250 and 260 which are coupled to the first to third lenses 232 to 234, respectively.
  • the specified path may be the Y-axis direction.
  • the Y-axis direction may be understood as a direction parallel to the optical axis direction.
  • the specified path may be specified by the shaft 235.
  • Each lens may be coupled with the shaft 235 and may be moved in a front or rear direction along the shaft 235.
  • the front direction may be understood as a direction in which each lens is close to the reflection member 220
  • the rear direction may be understood as a direction in which each lens is away from the reflection member 220.
  • the first lens 232 may be a lens for performing the auto focus function.
  • the camera module 200 may measure the distance to a subject by using infrared rays and may adjust the position of the first lens 232 based on the measured distance. For example, when the position of the first lens 232 is positioned relatively behind to be focused on the subject, the camera module 200 may move the first lens 232 forward by using the first driving unit 240.
  • the second and third lenses 233 and 234 may be lenses for performing a zoom-in or zoom-out function.
  • the camera module 200 may have a preset discrete magnification option.
  • a magnification option such as a magnification power of 2 times, a magnification power of 3 times, a magnification power of 5 times, or the like may be preset in the camera module 200.
  • the magnification may be determined according to relative positions of the second and third lenses 233 and 234. For example, when the distance between the second and third lenses 233 and 234 is increased, the overall magnification may be increased.
  • the second and third lenses 233 and 234 may be temporarily fixed at two specified positions, respectively.
  • the second lens 233 may be temporarily fixed at a first position which is the foremost position of the specified path and a second position which is the rearmost position of the specified path.
  • the third lens 234 may be temporarily fixed at a third position which is the foremost position of the specified path and a fourth position which is the rearmost position of the specified path.
  • the camera module 200 since the magnification of the camera module 200 is determined by the relative positions of the second and third lenses 233 and 234, the camera module 200 may have a total of four magnification options.
  • the second and third lenses 233 and 234 may have specified movement distances.
  • the second lens 233 may move a first distance from the first position to the second position (or vice versa).
  • the third lens 234 may move a second distance from the third position to the fourth position (or vice versa).
  • the first and second distances may be different from each other.
  • the shaft 235 may couple the lens holder 231, and the first to third lenses 232 to 234.
  • the lens holder 231, and the first to third lenses 232 to 234 may each include a hole through which the shaft 235 passes.
  • the lens holder 231, and the first to third lenses 232 to 234 may be coupled to each other by allowing the shaft 235 to pass through the holes.
  • the shaft 235 may determine the movement paths of the first to third lenses 232 to 234.
  • the first to third lenses 232 to 234 may be moved forward or backward by each of the driving units 240 to 260 and the movement paths may be guided by the shaft 235.
  • the first to fifth driving units 240, 250, 260, 270 and 280 may move the first to third lenses 232 to 234, the lens holder 231, the reflection member 220 in a specified direction, respectively. According to various embodiments, some of the driving units 240, 250, 260, 270 and 280 may be omitted, and/or other driving units may be added. According to an embodiment, two of the driving units 240, 250, 260, 270 and 280 may be arranged adjacent to a same surface of the housing 210. For example, as shown in FIG. 2a the first and third driving units 240 and 260 may be arranged in the housing 210 while being adjacent to the same surface. As another example, the second and fourth driving units 250 and 270 may be arranged in the housing 210 while being adjacent to the same surface, as seen in FIG. 2b.
  • the driving units 240, 250, 260, 270, and 280 may move the reflection member 220, the lens holder 231, and the first to third lenses 232 to 234 by using a current flowing through a coil and a magnetic field formed by the current.
  • the driving units 240, 250, 260, 270 and 280 may correspond to voice coil motors.
  • the voice coil motor which is an actuator that operates using the Lorentz force, may include a polarized voice coil motor and a solenoid type voice coil motor.
  • the first to third driving units 240, 250 and 260 may move the first to third lenses 232 to 234 in the optical axis direction, respectively.
  • the fourth driving unit 270 may move the lens holder 231 in a direction perpendicular to the optical axis direction and the fifth driving unit 280 may rotate the reflection member 220.
  • the image sensor 290 may generate image data corresponding to the subject by converting the light reflected from the subject or generated from the subject and passing through the lens unit 230 into an electrical signal.
  • the image sensor 290 may include a pixel array in which a plurality of unit pixels (which may be referred to as sensor pixels) are arranged two-dimensionally.
  • the pixel array may include hundreds to tens of millions of individual unit pixels.
  • the image sensor 290 may be implemented by using, for example, a charge-coupled device (CCD) or a complementary metal-oxide-semiconductor (CMOS).
  • CCD charge-coupled device
  • CMOS complementary metal-oxide-semiconductor
  • the connector 291 may be a connecting terminal for connecting the camera module 200 to the electronic device 100.
  • the camera module 200 may transmit the image data generated by the image sensor 290 to the electronic device 100 through an interface (e.g., MIPI).
  • FIG. 3a is a plain view of a camera module according to an embodiment.
  • FIG. 3b is a rear view of a camera module according to an embodiment.
  • FIGS. 3a and 3b illustrate arranged locations of the reflection member 220, at least one lens 232 to 234, and at least one driving unit 240, 250, 260, 270 and 280 included in the camera module 200.
  • the housing 210 and the lens holder 231 are omitted from depiction in FIGS. 3a and 3b.
  • the driving unit (e.g., the first driving unit 240) may include at least one coil (e.g., a first coil 241) and a magnet (e.g., a first magnet 242).
  • the magnets 242, 252, 262, 272 and 282 forming the driving units 240, 250, 260, 270 and 280 may be attached to the lenses 232 to 234 or the lens holder 231.
  • the driving units 240, 250, 260, 270 and 280 may move the reflection member 220, the lenses 232 to 234, or the lens holder 231 through the interaction of the coils 241, 251, 261, 271 and 281 and the magnets 242, 252, 262, 272 and 282.
  • an electromagnetic force may be generated in a direction perpendicular to the direction of the current and the direction of the magnetic field by the magnet.
  • the electromagnetic force may move the reflection member 220, the lenses 232 to 234, or the lens holder 231 by moving the magnet.
  • the direction of the magnetic field is determined by Ampere's right-handed “screw” rule (e.g., right-hand “grip”, “screw,” or “corkscrew” rule), and the magnetic field may generate a magnetic force in the magnet.
  • the magnet is moved by the magnetic force so that the reflection member 220, the lenses 232 to 234, or the lens holder 231 may be moved.
  • the first driving unit 240 may include the first coil 241 and the first magnet 242.
  • the first driving unit 240 may be a polarized voice coil motor.
  • the first magnet 242 is magnetized in the + Z-axis direction in a first region 31 and magnetized in the -Z-axis direction in a second region 32.
  • the direction of the magnetic field formed by the first magnet 242 may be the + Z-axis direction or the -Z-axis direction depending on the magnetized direction.
  • the directions of the electromagnetic forces in the first and second regions 31 and 32 may be the same.
  • the current flowing through the first coil 241 may flow in a counterclockwise direction.
  • the direction of the magnetic field in the first region 31 is the +Z-axis direction and the direction of the current is the +X-axis direction
  • the direction of the electromagnetic force acting on the first coil 241 in the first region 31 is +Y-axis direction.
  • the direction of the electromagnetic force acting on the first coil 241 in the second region 32 may also be the +Y-axis direction. Since the first coil 241 is attached to the housing 210 and does not move, the first magnet 242 and the first lens 232 may be moved in the -Y-axis direction.
  • the second driving unit 250 may include the second coil 251 and the second magnet 252.
  • the second driving unit 250 may be a solenoid type voice coil motor.
  • the second coil 251 may include a plurality of coils.
  • a magnetic field may be generated in the second coil 251 in the direction determined by Ampere's right-handed screw rule.
  • a current flows through the second coil 251 in the counterclockwise direction when viewed in the direction in which the reflection member is located
  • a magnetic field may be generated in the -Y-axis direction by Ampere's right-handed screw rule.
  • the second magnet 252 may move in the +Y or -Y-axis direction depending on the polarity direction.
  • the second lens 233 may move together with the second magnet 252.
  • the operation of the third driving unit 260 may be the same as or similar to that of the second driving unit 250.
  • the operation of the fourth driving unit 270 may be the same as or similar to that of the first driving unit 240.
  • the fifth driving unit 280 may include a plurality of coils and a magnet.
  • at least a part of the magnet may be magnetized in a first direction (e.g., the direction of vector R in FIG. 4) and the remaining part may be magnetized in the direction opposite to the first direction.
  • at least one of the coils may apply a force to at least a part of the magnet in the first direction.
  • the at least one coil and at least one other coil may apply a force against a remaining part of the magnet in a direction opposite to the first direction.
  • the magnet may be rotated in a specified direction by applying forces to mutually different points of the magnet in directions opposite to each other.
  • the driving unit for performing the zoom function may have a longer driving distance than the driving unit for performing the AF or OIS function.
  • the first driving unit 240 may perform the AF function by moving the first lens 232.
  • the second and third driving units 250 and 260 may perform the zoom function by moving the second and third lenses 233 and 234, respectively.
  • the fourth driving unit 270 may move the lens holder 231 to perform the OIS function.
  • the driving distances of the second and third driving units 250 and 260 may be longer than those of the first and fourth driving units 240 and 270.
  • the planes on which the driving units 240, 250, 260, 270 and 280 are arranged may be determined based on the driving distances.
  • the second and third driving units 250 and 260 which have relatively long driving distances, may be arranged on mutually different inner surfaces of the housing 210.
  • FIG. 4 is a view illustrating an arrangement of a driving unit of a camera module according to an embodiment.
  • the arrangement positions of the driving units 240, 250, 260, 270 and 280 included in the camera module 200 and the directions of the magnetic fields formed by each of the driving units 240, 250, 260, 270 and 280 are illustrated.
  • a magnetic field when a current flows through the coil, a magnetic field may be formed in a direction determined by the right hand screw rule. That is, a magnetic field may be formed in the camera module 200 in a direction in which the coil (e.g., the first coil 241) faces the magnet (e.g., the first magnet 242).
  • the first driving unit 240 may form a magnetic field in the Z-axis direction
  • the second driving unit 250 may form a magnetic field in the Y-axis direction
  • the third driving unit 260 may form a magnetic field in the Y-axis direction
  • the fourth driving unit 270 may form a magnetic field in the Z-axis direction
  • the fifth driver 280 may form a magnetic field in the direction of an arbitrary vector R on the y-z plane.
  • the magnetic field formed by each of the driving units may exert an influence on the magnet (e.g., the second magnet 252) included in another driving unit (e.g., the second driving unit 250).
  • the magnetic field formed by the first driving unit 240 may exert an influence on the third magnet 262 included in the third driving unit 260 adjacent to the first driving unit 240.
  • magnetic interference is generated by the magnetic field formed by each of the driving units insofar as each exerts an influence on the magnet included in another driving unit.
  • the magnetic interference between driving units that are spaced apart from each other by a sufficient distance may be equal to or less than a specified degree.
  • the magnetic interference between the first and second driving units 240 and 250 may be equal to or less than a specified degree.
  • each of the driving units 240, 250, 260, 270 and 280 may sufficiently move the magnets and lenses, and the camera module 200 may perform various functions normally.
  • the magnetic interferences between the driving units may be equal to or less than a specified degree.
  • the specified angle may be, for example, in the range of about 90 ° ⁇ 45 °. Since the at least one lens 232 to 234 included in the lens unit 230 moves by the guiding of the shaft 235, even though the directions of the magnetic fields formed by the driving units are not exactly orthogonal to each other, the camera module 200 may perform various functions normally.
  • the first and third driving units 240 and 260 may be adjacent to each other and may not be separated by a sufficient distance. Since the magnetic field formed by the first driving unit 240 is formed in the Z-axis direction and the magnetic field formed by the third driving unit 260 is formed in the Y-axis direction, the two magnetic fields may be orthogonal to each other. In this case, the magnetic interference between the first and third driving units 240 and 260 may be equal to or less than the specified degree.
  • the first and fifth driving units 240 and 280 may be adjacent to each other and may not be separated by the sufficient distance. Since the magnetic field formed by the first driving unit 240 is formed in the Z-axis direction and the magnetic field formed by the fifth driving unit 280 is formed in the direction of vector R, the magnetic interference between the first and fifth driving units 240 and 280 may be equal to or less than the specified degree.
  • Table 1 shows the experimental values of the magnetic forces applied to the second and fourth magnets 252 and 272 when the second magnet 252 is closest to the fourth driving unit 270 and the fourth magnet 272 is closest to the second driving unit 250 in the camera module according to an embodiment.
  • the experimental values may be measured as different values depending on the design of the camera module.
  • the unit of magnetic force may be expressed as gf (gram force).
  • the second magnet 252 may receive a magnetic force of about -0.0463 gf in the Y-axis direction in which the fourth driver 270 is positioned, and the fourth magnet 272 may receive a magnetic force of -0.0107 gf in the Y-axis direction in which the second driving unit 250 is positioned. Since the magnitude of the magnetic force is less than the thrust (a value, such as about 0.5 gf, within about 10% of about 5 gf) of the second or fourth driving unit 250 or 270, the magnetic interference may be equal to or less than a specified degree.
  • FIG. 5 is a block diagram of an electronic device in a network environment according to various embodiments.
  • an electronic device 501 may communicate with an electronic device 502 through a first network 598 (e.g., a short-range wireless communication) or may communicate with an electronic device 504 or a server 508 through a second network 599 (e.g., a long-distance wireless communication) in a network environment 500.
  • the electronic device 501 may communicate with the electronic device 504 through the server 508.
  • the electronic device 501 may include a processor 520, a memory 530, an input device 550, a sound output device 555, a display device 560, an audio module 570, a sensor module 576, an interface 577, a haptic module 579, a camera module 580 (e.g., the camera module 200), a power management module 588, a battery 589, a communication module 590, a subscriber identification module 596, and an antenna module 597.
  • at least one e.g., the display device 560 or the camera module 580
  • components of the electronic device 501 may be omitted or other components may be added to the electronic device 501.
  • some components may be integrated and implemented as in the case of the sensor module 576 (e.g., a fingerprint sensor, an iris sensor, or an illuminance sensor) embedded in the display device 560 (e.g., a display).
  • the sensor module 576 e.g., a fingerprint sensor, an iris sensor, or an illuminance sensor
  • the display device 560 e.g., a display
  • the processor 520 may operate, for example, software (e.g., a program 540) to control at least one of other components (e.g., a hardware or software component) of the electronic device 501 connected to the processor 520 and may process and compute a variety of data.
  • the processor 520 may load a command set or data, which is received from other components (e.g., the sensor module 576 or the communication module 590), into a volatile memory 532, may process the loaded command or data, and may store result data into a nonvolatile memory 534.
  • the processor 520 may include a main processor 521 (e.g., a central processing unit or an application processor) and an auxiliary processor 523 (e.g., a graphic processing device, an image signal processor, a sensor hub processor, or a communication processor), which operates independently from the main processor 521, additionally or alternatively uses less power than the main processor 521, or is specified to a designated function.
  • the auxiliary processor 523 may operate separately from the main processor 521 or embedded.
  • the auxiliary processor 523 may control, for example, at least some of functions or states associated with at least one component (e.g., the display device 560, the sensor module 576, or the communication module 590) among the components of the electronic device 501 instead of the main processor 521 while the main processor 521 is in an inactive (e.g., sleep) state or together with the main processor 521 while the main processor 521 is in an active (e.g., an application execution) state.
  • the auxiliary processor 523 e.g., the image signal processor or the communication processor
  • the auxiliary processor 523 may be implemented as a part of another component (e.g., the camera module 580 or the communication module 590) that is functionally related to the auxiliary processor 523.
  • the memory 530 may store a variety of data used by at least one component (e.g., the processor 520 or the sensor module 576) of the electronic device 501, for example, software (e.g., the program 540) and input data or output data with respect to one or more instructions associated with the software.
  • the memory 530 may include the volatile memory 532 or the nonvolatile memory 534.
  • the program 540 may be stored in the memory 530 as software and may include, for example, an operating system 542, a middleware 544, or an application 546.
  • the input device 550 may be a device for receiving a command or data, which is used for a component (e.g., the processor 520) of the electronic device 501, from an outside (e.g., a user) of the electronic device 501 and may include, for example, a microphone, a mouse, or a keyboard.
  • the sound output device 555 may be a device for outputting a sound signal to the outside of the electronic device 501 and may include, for example, a speaker used for general purposes, such as multimedia play or recordings play, and a receiver used for receiving calls. According to an embodiment, the receiver and the speaker may be either integrally or separately implemented.
  • the display device 560 may be a device for visually presenting information to the user and may include, for example, a display, a hologram device, or a projector and a control circuit for controlling a corresponding device. According to an embodiment, the display device 560 may include a touch circuitry or a pressure sensor for measuring an intensity of pressure on the touch.
  • the audio module 570 may convert a sound and an electrical signal in dual directions. According to an embodiment, the audio module 570 may obtain the sound through the input device 550 or may output the sound through an external electronic device (e.g., the electronic device 502 (e.g., a speaker or a headphone)) wired or wirelessly connected to the sound output device 555 or the electronic device 501.
  • an external electronic device e.g., the electronic device 502 (e.g., a speaker or a headphone)
  • the sensor module 576 may generate an electrical signal or a data value corresponding to an operating state (e.g., power or temperature) inside or an environmental state outside the electronic device 501.
  • the sensor module 576 may include, for example, a gesture sensor, a gyro sensor, a barometric pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an infrared sensor, a biometric sensor, a temperature sensor, a humidity sensor, or an illuminance sensor.
  • the interface 577 may support a designated protocol wired or wirelessly connected to the external electronic device (e.g., the electronic device 502).
  • the interface 577 may include, for example, an HDMI (high-definition multimedia interface), a USB (universal serial bus) interface, an SD card interface, or an audio interface.
  • a connecting terminal 578 may include a connector that physically connects the electronic device 501 to the external electronic device (e.g., the electronic device 502), for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (e.g., a headphone connector).
  • the external electronic device e.g., the electronic device 502
  • an HDMI connector e.g., a USB connector
  • SD card connector e.g., an SD card connector
  • an audio connector e.g., a headphone connector
  • the haptic module 579 may convert an electrical signal to a mechanical stimulation (e.g., vibration or movement) or an electrical stimulation perceived by the user through tactile or kinesthetic sensations.
  • the haptic module 579 may include, for example, a motor, a piezoelectric element, or an electric stimulator.
  • the camera module 580 may shoot a still image or a video image.
  • the camera module 580 may include, for example, at least one lens, an image sensor, an image signal processor, or a flash.
  • the power management module 588 may be a module for managing power supplied to the electronic device 501 and may serve as at least a part of a power management integrated circuit (PMIC).
  • PMIC power management integrated circuit
  • the battery 589 may be a device for supplying power to at least one component of the electronic device 501 and may include, for example, a non-rechargeable (primary) battery, a rechargeable (secondary) battery, or a fuel cell.
  • the communication module 590 may establish a wired or wireless communication channel between the electronic device 501 and the external electronic device (e.g., the electronic device 502, the electronic device 504, or the server 508) and support communication execution through the established communication channel.
  • the communication module 590 may include at least one communication processor operating independently from the processor 520 (e.g., the application processor) and supporting the wired communication or the wireless communication.
  • the communication module 590 may include a wireless communication module 592 (e.g., a cellular communication module, a short-range wireless communication module, or a GNSS (global navigation satellite system) communication module) or a wired communication module 594 (e.g., an LAN (local area network) communication module or a power line communication module) and may communicate with the external electronic device using a corresponding communication module among them through the first network 598 (e.g., the short-range communication network such as a Bluetooth, a WiFi direct, or an IrDA (infrared data association)) or the second network 599 (e.g., the long-distance wireless communication network such as a cellular network, an internet, or a computer network (e.g., LAN or WAN)).
  • the above-mentioned various communication modules 590 may be implemented into one chip or into separate chips, respectively.
  • the wireless communication module 592 may identify and authenticate the electronic device 501 using user information stored in the subscriber identification module 596 in the communication network.
  • the antenna module 597 may include one or more antennas to transmit or receive the signal or power to or from an external source.
  • the communication module 590 e.g., the wireless communication module 592
  • Some components among the components may be connected to each other through a communication method (e.g., a bus, a GPIO (general purpose input/output), an SPI (serial peripheral interface), or an MIPI (mobile industry processor interface)) used between peripheral devices to exchange signals (e.g., a command or data) with each other.
  • a communication method e.g., a bus, a GPIO (general purpose input/output), an SPI (serial peripheral interface), or an MIPI (mobile industry processor interface) used between peripheral devices to exchange signals (e.g., a command or data) with each other.
  • the command or data may be transmitted or received between the electronic device 501 and the external electronic device 504 through the server 508 connected to the second network 599.
  • Each of the electronic devices 502 and 504 may be the same or different types as or from the electronic device 501.
  • all or some of the operations performed by the electronic device 501 may be performed by another electronic device or a plurality of external electronic devices.
  • the electronic device 501 may request the external electronic device to perform at least some of the functions related to the functions or services, in addition to or instead of performing the functions or services by itself.
  • the external electronic device receiving the request may carry out the requested function or the additional function and transmit the result to the electronic device 501.
  • the electronic device 501 may provide the requested functions or services based on the received result as is or after additionally processing the received result.
  • a cloud computing, distributed computing, or client-server computing technology may be used.
  • FIG. 6 is a block diagram of a camera module according to various embodiments.
  • the camera module 580 may include a lens assembly 610 (e.g., the lens unit 230), a flash 620 (e.g., the flash 120), an image sensor 630 (e.g., the image sensor 290), an image stabilizer 640, a memory (e.g., a buffer memory) 650, or an image signal processor 660.
  • the lens assembly 610 may collect light emitted from a subject to be captured.
  • the lens assembly 610 may include one or more lenses.
  • the camera module 580 may include a plurality of lens assemblies 610.
  • the camera module 580 may be, for example, a dual camera, a 360-degree camera, or a spherical camera.
  • the plurality of lens assemblies 610 may have the same lens properties (e.g., a field of view, a focal length, an autofocus, an f number, or an optical zoom), or at least one lens assembly may be different from another lens assembly in at least one lens attribute.
  • the lens assembly 610 may include a wide-angle lens or a telephoto lens.
  • the flash 620 may emit light in order to strengthen light emitted from the subject.
  • the flash 620 may include one or more light emitting diodes (e.g., a red-green-blue (RGB) LED, a white LED, an infrared LED, or an ultraviolet LED), or a xenon lamp.
  • RGB red-green-blue
  • the image sensor 630 may acquire an image corresponding to the subject by converting light, which is received from the subject through the lens assembly 610, to an electrical signal.
  • the image sensor 630 may include, for example, one selected from image sensors having different properties, such as an RGB sensor, a black and white (BW) sensor, an IR sensor, or a UV sensor, a plurality of image sensors having the same property, or a plurality of image sensors having different properties.
  • each image sensor included in the image sensor 630 may be implemented with a charged coupled device (CCD) sensor or a complementary metal oxide semiconductor (CMOS) sensor.
  • CCD charged coupled device
  • CMOS complementary metal oxide semiconductor
  • the image stabilizer 640 may move or control (e.g., adjustment of read-out timing, and the like) at least one lens included in the lens assembly 610 or the image sensor 630 in a specific direction to at least partially compensate for a negative effect (e.g., image blurring) exerted on the captured image due to movement of the camera module 580 or the electronic device 501 including the camera module 580.
  • the image stabilizer 640 may be implemented, for example, with an optical image stabilizer and may detect the movement by using a gyro sensor (not illustrated) or an acceleration sensor (not illustrated) located inside or outside the camera module 580.
  • the memory 650 may at least temporarily store at least a part of the image obtained through the image sensor 630 for a next image processing operation. For example, when image acquisition by the shutter is delayed or a plurality of images are acquired at a high speed, the acquired original image (e.g., a high-resolution image) is stored in the memory 650, and a copy image (e.g., a low-resolution image) corresponding to the original image may be previewed through the display device 560. Then, when a specified condition (e.g., a user input or system instruction) is satisfied, at least a part of the original image stored in the memory 650 may be obtained and processed, for example, by the image signal processor 660. According to an embodiment, the memory 650 may be implemented with at least a part of the memory 530 or a separate memory operated independent of the memory 530.
  • a specified condition e.g., a user input or system instruction
  • the image signal processor 660 may perform image processing (e.g., depth map generation, three-dimensional modeling, panorama generation, feature point extraction, image composition, or image compensation (e.g., noise reduction, resolution adjustment, brightness adjustment, blurring, sharpening, or softening)) with respect to an image acquired through the image sensor 630 or an image stored in the memory 650. Additionally or alternatively, the image signal processor 660 may perform control operation (e.g., exposure time control, lead-out timing control, or the like) of at least one of the components (e.g., the image sensor 630) included in the camera module 580.
  • image processing e.g., depth map generation, three-dimensional modeling, panorama generation, feature point extraction, image composition, or image compensation (e.g., noise reduction, resolution adjustment, brightness adjustment, blurring, sharpening, or softening)
  • image compensation e.g., noise reduction, resolution adjustment, brightness adjustment, blurring, sharpening, or softening
  • the image processed by the image signal processor 660 may be re-stored in the memory 650 for additional processing or may be transmitted to an external component (e.g., the memory 530, the display device 560, the electronic device 502, the electronic device 504, or the server 508) of the camera module 580.
  • the image signal processor 660 may be configured as at least a part of the processor 520, or may be configured as a separate processor operating independently of the processor 520.
  • the images processed by the image signal processor 660 may be displayed by the processor 520 through the display device 560 as they are or after being additionally image-processed.
  • the electronic device 501 may include two or more camera modules 580 having mutually different properties or functions.
  • the at least one camera module 580 may be a wide-angle camera or a front camera and at least one other camera module may be a telephoto camera or a rear camera.
  • the location movement of the lens included in the camera module can be normally performed.
  • the camera module may stably perform the zoom function, the AF function, and the OIS function.
  • the camera module may limit the magnetic interference between the driving units to a specified degree or less even though a separated shielding member is not used, the size of the camera module may be miniaturized.
  • the electronic device including the camera module may efficiently utilize the limited mounting area.
  • a camera module that includes a housing, a lens unit arranged in the housing and including at least one lens, a first driving unit arranged adjacent to a first surface inside the housing to move the at least one lens in a direction of an optical axis, and a second driving unit arranged adjacent to the first surface inside the housing to move the lens unit in a direction perpendicular to the optical axis, where the first driving unit forms a first magnetic field in a first direction, and wherein the second driving unit forms a second magnetic field in a second direction intersecting the first direction at a specified angle.
  • the second driving unit may form the second magnetic field in the second direction perpendicular to a direction of the first magnetic field.
  • the magnetic interference between the first and second driving units may be measured at a specified degree or less.
  • a length of movement of the at least one lens may be longer than a length of movement of the lens unit.
  • the first driving unit may include a solenoid voice coil motor
  • the second driving unit may include a polarized voice coil motor
  • the first driving unit may perform a zoom function by moving the at least one lens in the direction of the optical axis.
  • the second driving unit may perform an optical image stabilization (OIS) function by moving the lens unit in the direction perpendicular to the optical axis.
  • OIS optical image stabilization
  • the camera module may further include a third driving unit, wherein the lens unit includes a first lens and a second lens, the first driving unit moves the first lens in the direction of the optical axis, and the third driving unit is arranged adjacent to a second surface facing the first surface inside the housing to move the second lens in the direction of the optical axis.
  • a third driving unit wherein the lens unit includes a first lens and a second lens, the first driving unit moves the first lens in the direction of the optical axis, and the third driving unit is arranged adjacent to a second surface facing the first surface inside the housing to move the second lens in the direction of the optical axis.
  • the first driving unit may perform a zoom function by moving the first lens in the direction of the optical axis
  • the third driving unit may perform an auto focus function by moving the second lens in the direction of the optical axis.
  • the camera module may further include a fourth driving unit arranged adjacent to the second surface inside the housing, wherein the lens unit further includes a third lens, the third driving unit forms a third magnetic field in a third direction, and the fourth driving unit moves the third lens in the direction of the optical axis and forms a fourth magnetic field in a fourth direction intersecting the third direction at a specified angle.
  • a fourth driving unit arranged adjacent to the second surface inside the housing, wherein the lens unit further includes a third lens, the third driving unit forms a third magnetic field in a third direction, and the fourth driving unit moves the third lens in the direction of the optical axis and forms a fourth magnetic field in a fourth direction intersecting the third direction at a specified angle.
  • the fourth driving unit may form the fourth magnetic field in the fourth direction perpendicular to the third direction.
  • the magnetic interference between the third and fourth driving units may be measured at a specified degree or less.
  • the fourth driving unit may perform a zoom function by moving the third lens in the direction of the optical axis.
  • a camera module that includes a housing, a lens unit contained in the housing and including first and second lenses movable along a specified path, a first driving unit including a first coil arranged on a part of one surface of the housing, the first coil having a shape for outputting, in a first direction, a magnetic field for moving the first lens along the specified path, and a second driving unit including a second coil arranged on another part of the one surface, the second coil having a shape for outputting, in a second direction perpendicular to the first direction, another magnetic field for moving the second lens along the specified path.
  • the magnetic interference between the first and second driving units may be measured at a specified degree or less.
  • the first driving unit may move the first lens in a direction of an optical axis
  • the second driving unit may move the second lens in the direction of the optical axis
  • the first driving unit may perform an auto focus function, and the second driving unit may perform a zoom function.
  • the lens unit may further include a third lens movable in the specified path, where the camera module may further include a third driving unit including a third coil arranged on a part of another surface of the housing, and the third coil may have a shape for outputting, in the first direction, a magnetic field for moving the third lens along the specified path.
  • the camera module may further include a fourth driving unit including a fourth coil arranged on another part of the another surface , wherein the fourth coil has a shape for outputting, in the second direction, a magnetic field for moving the lens unit along another path perpendicular to the specified path.
  • a fourth driving unit including a fourth coil arranged on another part of the another surface , wherein the fourth coil has a shape for outputting, in the second direction, a magnetic field for moving the lens unit along another path perpendicular to the specified path.
  • the magnetic interference between the third and fourth driving units may be measured at a specified degree or less.
  • the electronic device may be various types of devices.
  • the electronic device may include, for example, at least one of a portable communication device (e.g., a smartphone), a computer device, a portable multimedia device, a mobile medical appliance, a camera, a wearable device, or a home appliance.
  • a portable communication device e.g., a smartphone
  • a computer device e.g
  • a first”, “a second”, “the first”, or “the second”, used in herein may refer to various components regardless of the order and/or the importance, but do not limit the corresponding components.
  • the above expressions are used merely for the purpose of distinguishing a component from the other components. It should be understood that when a component (e.g., a first component) is referred to as being (operatively or communicatively) "connected,” or “coupled,” to another component (e.g., a second component), it may be directly connected or coupled directly to the other component or any other component (e.g., a third component) may be interposed between them.
  • module used herein may represent, for example, a unit including one or more combinations of hardware, software and firmware.
  • module may be interchangeably used with the terms “logic”, “logical block”, “part” and “circuit”.
  • the “module” may be a minimum unit of an integrated part or may be a part thereof.
  • the “module” may be a minimum unit for performing one or more functions or a part thereof.
  • the “module” may include an application-specific integrated circuit (ASIC).
  • ASIC application-specific integrated circuit
  • Various embodiments of the present disclosure may be implemented by software (e.g., the program 540) including an instruction stored in a machine-readable storage media (e.g., the internal memory 536 or the external memory 538) readable by a machine (e.g., a computer).
  • the machine may be a device that calls the instruction from the machine-readable storage media and operates depending on the called instruction and may include the electronic device (e.g., the electronic device 501).
  • the processor e.g., the processor 520
  • the processor may perform a function corresponding to the instruction directly or using other components under the control of the processor.
  • the instruction may include a code generated or executed by a compiler or an interpreter.
  • the machine-readable storage media may be provided in the form of non-transitory storage media.
  • non-transitory is a limitation of the medium itself (i.e., tangible, not a signal) as opposed to a limitation on data storage persistency.
  • the method according to various embodiments disclosed in the present disclosure may be provided as a part of a computer program product.
  • the computer program product may be traded between a seller and a buyer as a product.
  • the computer program product may be distributed in the form of machine-readable storage medium (e.g., a compact disc read only memory (CD-ROM)) or may be distributed through an application store (e.g., a Play Store ⁇ ).
  • an application store e.g., a Play Store ⁇
  • at least a portion of the computer program product may be temporarily stored or generated in a storage medium such as a memory of a manufacturer's server, an application store's server, or a relay server.
  • Each component may include at least one of the above components, and a portion of the above sub-components may be omitted, or additional other sub-components may be further included.
  • some components e.g., the module or the program
  • Operations performed by a module, a programming, or other components according to various embodiments of the present disclosure may be executed sequentially, in parallel, repeatedly, or in a heuristic method. Also, at least some operations may be executed in different sequences, omitted, or other operations may be added.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Studio Devices (AREA)
  • Lens Barrels (AREA)

Abstract

L'invention concerne un module de prise de vue comprenant un boîtier, un objectif disposé dans le boîtier et comprenant au moins une lentille, une première unité d'entraînement disposée de façon adjacente à une première surface à l'intérieur du boîtier et conçue pour déplacer la ou les lentilles dans une direction le long d'un axe optique, et une seconde unité d'entraînement disposée de façon adjacente à la première surface à l'intérieur du boîtier et conçue pour déplacer l'objectif dans une direction perpendiculaire à l'axe optique, la première unité d'entraînement formant un premier champ magnétique orienté dans une première direction, et la seconde unité d'entraînement formant un second champ magnétique orienté dans une seconde direction croisant la première direction à un angle prédéfini.
PCT/KR2018/011331 2017-09-25 2018-09-21 Module de prise de vue comprenant plusieurs unités d'entraînement ayant différentes directions de champ magnétique WO2019059737A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP18858594.7A EP3665530B1 (fr) 2017-09-25 2018-09-21 Module de prise de vue comprenant plusieurs unités d'entraînement ayant différentes directions de champ magnétique
CN201880062167.7A CN111133376B (zh) 2017-09-25 2018-09-21 包括具有不同磁场方向的多个驱动单元的相机模块

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2017-0123439 2017-09-25
KR1020170123439A KR102435025B1 (ko) 2017-09-25 2017-09-25 다른 자기장의 방향을 갖는 복수의 구동부를 포함하는 카메라 모듈

Publications (1)

Publication Number Publication Date
WO2019059737A1 true WO2019059737A1 (fr) 2019-03-28

Family

ID=65808459

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2018/011331 WO2019059737A1 (fr) 2017-09-25 2018-09-21 Module de prise de vue comprenant plusieurs unités d'entraînement ayant différentes directions de champ magnétique

Country Status (5)

Country Link
US (2) US10848652B2 (fr)
EP (1) EP3665530B1 (fr)
KR (1) KR102435025B1 (fr)
CN (1) CN111133376B (fr)
WO (1) WO2019059737A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200118709A (ko) 2019-04-08 2020-10-16 삼성전자주식회사 굴곡형 카메라 및 이를 포함하는 전자 장치
CN112073602B (zh) * 2019-06-11 2022-09-30 北京小米移动软件有限公司 摄像头模组和电子设备、行程检测方法和装置
US20220244485A1 (en) * 2019-06-13 2022-08-04 Lg Innotek Co., Ltd. Lens assembly driving apparatus and camera module comprising same
WO2021035657A1 (fr) * 2019-08-30 2021-03-04 Huawei Technologies Co., Ltd. Appareil optique, appareil d'imagerie et dispositif électronique
CN112492130B (zh) * 2019-09-12 2021-10-01 华为技术有限公司 摄像模组及移动终端
CN213182169U (zh) * 2019-11-01 2021-05-11 台湾东电化股份有限公司 光学元件驱动机构
CN113534398A (zh) * 2021-06-23 2021-10-22 江西晶浩光学有限公司 镜头模组及摄像装置、电子设备、光轴对准方法
KR20230022601A (ko) * 2021-08-09 2023-02-16 엘지이노텍 주식회사 카메라 엑추에이터 및 이를 포함하는 카메라 장치
WO2024014672A1 (fr) * 2022-07-15 2024-01-18 삼성전자주식회사 Caméra et dispositif électronique la comprenant

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140078328A1 (en) * 2012-09-14 2014-03-20 Samsung Electronics Co., Ltd. Image stabilizer and digital photographing apparatus having the same
US20150015729A1 (en) * 2012-06-07 2015-01-15 Asahi Kasei Microdevices Corporation Position detection apparatus
US20150207968A1 (en) * 2012-07-09 2015-07-23 Lg Innotek Co., Ltd. Camera module
US20160154249A1 (en) * 2013-07-12 2016-06-02 Lg Innotek Co., Ltd. Camera Module
US20170168315A1 (en) * 2013-05-29 2017-06-15 Lg Innotek Co., Ltd. Lens Driving Device

Family Cites Families (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6456444B1 (en) 1999-01-26 2002-09-24 Matsushita Electric Industrial Co., Ltd Lens barrel
JP2006171286A (ja) * 2004-12-15 2006-06-29 Pentax Corp カメラの駆動機構
TWI275891B (en) * 2005-04-29 2007-03-11 Optronics Technology Inc A An electromagnetic actuated adjusting device for camera lens
JP5003008B2 (ja) * 2006-04-17 2012-08-15 コニカミノルタアドバンストレイヤー株式会社 手振れ補正装置、レンズユニットおよび撮像装置
JP4488041B2 (ja) * 2007-08-02 2010-06-23 ソニー株式会社 像ぶれ補正装置及び撮像装置
KR101464533B1 (ko) * 2008-02-11 2014-11-24 삼성전자주식회사 카메라용 손떨림 보정 장치
CN101931305B (zh) * 2009-06-25 2013-02-13 鸿富锦精密工业（深圳）有限公司 音圈马达组合
KR101679289B1 (ko) 2009-07-07 2016-11-24 삼성전자 주식회사 줌 렌즈 및 이를 구비한 결상 광학 장치
JP2011141517A (ja) * 2009-12-11 2011-07-21 Panasonic Corp レンズアクチュエータ
US9217841B2 (en) * 2011-01-25 2015-12-22 Hong Kong Applied Science & Technology Research Institute Company, Limited Compact camera module with zoom and auto-focus actuators sharing the same rotating annular magnet with alternating thick and thin poles
TW201248233A (en) * 2011-01-31 2012-12-01 Nidec Copal Corp Lens drive device and imaging device
JP2015025827A (ja) * 2011-11-17 2015-02-05 パナソニック株式会社 レンズ鏡筒
JP5905275B2 (ja) * 2012-01-30 2016-04-20 日本電産コパル株式会社 レンズ駆動装置
KR101500034B1 (ko) 2012-06-29 2015-03-06 엘지이노텍 주식회사 카메라 모듈
JP6000693B2 (ja) 2012-07-03 2016-10-05 日立オートモティブシステムズ株式会社 駐車支援装置
KR101349422B1 (ko) * 2012-07-20 2014-01-09 엘지이노텍 주식회사 카메라 모듈
KR101349473B1 (ko) 2012-07-20 2014-01-09 엘지이노텍 주식회사 카메라 모듈
JP2014089396A (ja) * 2012-10-31 2014-05-15 Jvc Kenwood Corp レンズ鏡筒及び撮像装置
TWI525802B (zh) * 2012-11-08 2016-03-11 威動光私人有限公司 變焦透鏡、光學裝置、用以製造其之方法及包含其之手持式電子器件
US9726862B2 (en) 2012-11-08 2017-08-08 DynaOptics LTD, A Public Limited CO. Lens assemblies and actuators for optical systems and methods therefor
KR101960493B1 (ko) * 2012-12-12 2019-07-15 삼성전자주식회사 광학조절장치
WO2015019716A1 (fr) * 2013-08-08 2015-02-12 コニカミノルタ株式会社 Dispositif de commande d'objectif et dispositif d'imagerie
US9389391B2 (en) 2013-09-11 2016-07-12 Sunming Technologies (Hk) Limited Lens driving apparatus and method for manufacturing the same
WO2015048928A1 (fr) 2013-10-04 2015-04-09 Elpis Technology Limited Appareil d'entraînement de lentille
JP2015099360A (ja) * 2013-10-17 2015-05-28 Hoya株式会社 撮像装置
EP3713062A1 (fr) 2013-12-23 2020-09-23 Lg Innotek Co. Ltd Appareil de déplacement de lentilles
WO2015124966A1 (fr) 2014-02-19 2015-08-27 Corephotonics Ltd. Blindage magnétique entre des moteurs à bobine mobile dans un appareil photographique à double ouverture
EP3706298A1 (fr) 2014-03-05 2020-09-09 LG Innotek Co., Ltd. Dispositif de commande de lentille et module de caméra le comprenant
RU2648006C1 (ru) * 2014-05-30 2018-03-21 Болимедиа Холдингз Ко. Лтд. Зум-объектив
JP6669677B2 (ja) * 2014-07-03 2020-03-18 エルジー イノテック カンパニー リミテッド レンズ駆動装置
EP4145205A1 (fr) * 2014-08-07 2023-03-08 Lg Innotek Co., Ltd. Appareil de déplacement de lentille et module de caméra le comprenant
US10168545B2 (en) * 2014-10-16 2019-01-01 Tdk Taiwan Corp. Optical image stabilizer with improved magnetic disposition
KR101751105B1 (ko) 2014-12-19 2017-06-26 삼성전기주식회사 카메라 모듈
CN112114467B (zh) 2015-01-20 2022-06-14 Lg伊诺特有限公司 透镜驱动装置、摄影机模块及光学设备
TWM520206U (zh) * 2015-07-30 2016-04-11 台灣東電化股份有限公司 驅動組件及應用該驅動組件之電子裝置及電磁驅動模組
CN106772912B (zh) * 2015-09-21 2021-12-10 Lg伊诺特有限公司 透镜驱动单元
CN106856553B (zh) 2015-12-09 2019-12-17 台湾东电化股份有限公司 光学影像防震机构

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150015729A1 (en) * 2012-06-07 2015-01-15 Asahi Kasei Microdevices Corporation Position detection apparatus
US20150207968A1 (en) * 2012-07-09 2015-07-23 Lg Innotek Co., Ltd. Camera module
US20140078328A1 (en) * 2012-09-14 2014-03-20 Samsung Electronics Co., Ltd. Image stabilizer and digital photographing apparatus having the same
US20170168315A1 (en) * 2013-05-29 2017-06-15 Lg Innotek Co., Ltd. Lens Driving Device
US20160154249A1 (en) * 2013-07-12 2016-06-02 Lg Innotek Co., Ltd. Camera Module

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3665530A4 *

Also Published As

Publication number Publication date
EP3665530B1 (fr) 2024-05-22
EP3665530A1 (fr) 2020-06-17
CN111133376A (zh) 2020-05-08
CN111133376B (zh) 2022-07-12
EP3665530A4 (fr) 2020-12-30
US11425284B2 (en) 2022-08-23
US10848652B2 (en) 2020-11-24
KR20190034876A (ko) 2019-04-03
US20210075939A1 (en) 2021-03-11
KR102435025B1 (ko) 2022-08-23
US20190098182A1 (en) 2019-03-28

Similar Documents

Publication Publication Date Title
WO2019059737A1 (fr) Module de prise de vue comprenant plusieurs unités d'entraînement ayant différentes directions de champ magnétique
WO2019198956A1 (fr) Ensemble caméra comportant un élément réfléchissant rotatif et dispositif électronique le comprenant
WO2019035601A1 (fr) Appareil d'édition d'image utilisant une carte de profondeur et son procédé
WO2019132283A1 (fr) Ensemble de lentilles optiques, et dispositif électronique comportant cet ensemble
WO2020209492A1 (fr) Caméra pliée et dispositif électronique le comprenant
WO2019035550A1 (fr) Dispositif électronique de régulation des vibrations d'une partie lentille contenue dans un module de caméra et procédé de fonctionnement pour dispositif électronique
WO2019156308A1 (fr) Appareil et procédé d'estimation de mouvement de stabilisation d'image optique
WO2022080720A1 (fr) Module de caméra et dispositif électronique le comprenant
WO2021133025A1 (fr) Dispositif électronique comprenant un capteur d'image et son procédé de fonctionnement
WO2019035551A1 (fr) Appareil de composition d'objets à l'aide d'une carte de profondeur et procédé associé
WO2020091457A1 (fr) Module d'appareil de prise de vues comprenant une ouverture
WO2019160237A1 (fr) Dispositif électronique, et procédé de commande d'affichage d'images
WO2021145667A1 (fr) Procédé et dispositif de commande de mouvement de caméra
WO2022245129A1 (fr) Procédé de suivi d'objet et appareil électronique associé
WO2021235747A1 (fr) Dispositif électronique comprenant une caméra et un microphone, et son procédé de fonctionnement
WO2022139391A1 (fr) Module de caméra et dispositif électronique le comprenant
WO2021145612A1 (fr) Dispositif électronique permettant d'exécuter une correction d'image et procédé de correction d'image
WO2021215795A1 (fr) Filtre couleur pour dispositif électronique, et dispositif électronique le comportant
WO2021194161A1 (fr) Procédé de correction de tremblement au niveau d'un agrandissement élevé et dispositif électronique associé
WO2020067674A1 (fr) Procédé de mise au point automatique et dispositif électronique permettant sa mise en œuvre
WO2023229177A1 (fr) Dispositif électronique comprenant un capteur d'image et procédé de fonctionnement associé
WO2021075885A1 (fr) Dispositif électronique comprenant une caméra
WO2021118284A2 (fr) Structure de caméra et dispositif électronique comprenant une structure de caméra
WO2023043132A1 (fr) Dispositif électronique d'application d'effet bokeh sur une image et son procédé de fonctionnement
WO2021230580A1 (fr) Dispositif électronique et procédé d'amélioration de la qualité d'une image à l'aide de multiples caméras

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18858594

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2018858594

Country of ref document: EP

Effective date: 20200310

NENP Non-entry into the national phase

Ref country code: DE